It's all too often i see in chat, even when staff are on to enforce the rules, people flood the chat with "caps" "watch the spam" etc.
I get it, the rules of the chat should be followed even when staff aren't on, but when 20 people all say "caps" in chat all it does is spam. Also here's a scenario I see way too often:
New_player1337: ANYONE WANNA BASE WITH ME!?!?!
Lieutenant_Mitch: caps
candystepcat: caps
Bone_Cook3r: caps
BK_Novice: caps
Like 10 other people: caps
There's a few things wrong with this. First of all, you're just spamming the chat. Second, when all you do is say "caps" to a new player, you're not actually specifically telling them that caps aren't allowed, so what you said in chat is redundant. You should probably say something like "Hey New_player1337, all caps are against the rules" because it is specific and gets the point across to the player.
Then there are the people who feel the need to say "caps" when staff are on to handle the situation. They're staff for a variety of reasons, and one of them is to help moderate the chat. What you're basically saying is that staff can't do their jobs well enough that you have to jump in and attempt to handle it. Well if I were a new player I sure as hell wouldn't listen to you if you weren't staff. So if a staff member is on, just let them handle it, it's their job.